Effect of metal and metal oxide nanoparticles on growth and physiology of globally important food crops: A critical review

Role of nanomaterials in plants under challenging environments.

Influence of nano-TiO2 particles on the bioaccumulation of Cd in soybean plants (Glycine max): A possible mechanism for the removal of Cd from the contaminated soil.

Comparison study of zinc nanoparticles and zinc sulphate on wheat growth: From toxicity and zinc biofortification.

With tremendous increase in development of nanotechnology, there is a developing enthusiasm toward the application of nanoparticles in diverse areas. Carbon nanotubes, fullerenes, quantum dots, dendrimers, iron oxide, silica, and gold and silver nanoparticles are frequently used in different applications such as drug delivery, ceramic materials, semiconductors, electronics, medicine, cosmetics, etc. Some of these nanoparticles have shown major toxic effects on fauna, flora, and human beings, such as inflammation, cytotoxicity, tissue ulceration, and reduction of cell viability. Single-walled carbon nanotubes (SWCNTs) and multiwalled carbon nanotubes (MWCNTs) can induce oxidative stress and fibrosis in the lungs of rat and mice. SWCNTs can also induce oxidative stress to the nervous system in human beings. Inflammatory injury and respiratory distress can be observed due to TiO2 nanoparticles with small diameter. Nanoparticles can also pose detrimental effects on plants, such as decreased growth rate, genom...

Critical Review on the Toxicity of Some Widely Used Engineered Nanoparticles

Metal nanoparticles have many potential technological applications; it hassled the issue regarding unidentified consequences of their release into the environment. Present study deals with the effects of zinc oxide (ZnO) engineered nanoparticles (ENPs) on plant growth, bioaccumulation and antioxidative enzyme activity in Brassica juncea. The seed was germinated under hydroponic condition with a varying concentration of ZnO ENPs (0, 200, 500, 1000, 1500 mg/l) for 96 h. Significant decrease in plant biomass was recorded with gradual increase in proline content and lipid peroxidation upto a concentration of 1000 mg/l. Estimation of the antioxidant enzyme [catalase (CAT), ascorbate peroxidase (APX), glutathione reductase (GR) and superoxide dismutase (SOD)] activities in different plant tissues was done. Further, bioaccumulation of ZnO ENPs was also recorded. ENPs caused a significant effect due to their accumulation along with the generation of reactive oxygen species in plant tissues, thus signifying its hazardous effect on B. juncea.

Toxicity of ZnO engineered nanoparticles and evaluation of their effect on growth, metabolism and tissue specific accumulation in Brassica juncea

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Toxicity of ZnO engineered nanoparticles and evaluation of their effect on growth, metabolism and tissue specific accumulation in Brassica juncea